
html{
	height: 100%;
}
body{
  -webkit-animation: animate-cloud 20s linear infinite;
  -moz-animation: animate-cloud 20s linear infinite;
  -ms-animation: animate-cloud 20s linear infinite;
  -o-animation: animate-cloud 20s linear infinite;
  animation: animate-cloud 20s linear infinite;
  width: 100%;
  height: auto;
  background-image: url('../image/admin_login_back.jpg');
  background-size:100% 100%;
}